 |
数据搜索系统，热门电子元器件搜索 |
|
|
数据搜索系统，热门电子元器件搜索 |
|
V62/12615-01XE-R 数据表(PDF) 77 Page - Texas Instruments |
|
|
|
|||||||||||||||||||||||||||||
V62/12615-01XE-R 数据表(HTML) 77 Page - Texas Instruments |
|
|
77 / 98 page  77 DP83848-EP www.ti.com SLLSEC6E – SEPTEMBER 2012 – REVISED JUNE 2019 Submit Documentation Feedback Product Folder Links: DP83848-EP Application and Implementation Copyright © 2012–2019, Texas Instruments Incorporated (1) This limit is provided as a guideline for component selection and not specified by production testing. Refer to SNLA091, PHYTER 100 Base-TX Reference Clock Jitter Tolerance, for details on jitter performance. Figure 6-3. Crystal Oscillator Circuit Table 6-1. 25-MHz Oscillator Specification PARAMETER MIN TYP MAX UNIT CONDITION Frequency 25 MHz Frequency Tolerance ±50 ppm Operational Temperature Frequency Stability ±50 ppm 1 year aging Rise / Fall Time 6 nsec 20% - 80% Jitter 800(1) psec Short term Jitter 800(1) psec Long term Symmetry 40% 60% Duty Cycle (1) This limit is provided as a guideline for component selection and not specified by production testing. Refer to SNLA091, PHYTER 100 Base-TX Reference Clock Jitter Tolerance, for details on jitter performance. Table 6-2. 50-MHz Oscillator Specification PARAMETER MIN TYP MAX UNIT CONDITION Frequency 50 MHz Frequency Tolerance ±50 ppm Operational Temperature Frequency Stability ±50 ppm Operational Temperature Rise / Fall Time 6 nsec 20% - 80% Jitter 800(1) psec Short term Jitter 800(1) psec Long term Symmetry 40% 60% Duty Cycle Table 6-3. 25-MHz Crystal Specification PARAMETER MIN TYP MAX UNIT CONDITION Frequency 25 MHz Frequency Tolerance ±50 ppm Operational Temperature Frequency Stability ±50 ppm 1 year aging Load Capacitance 25 40 pF 6.2.1.3 Power Feedback Circuit To ensure correct operation for the DP83848-EP, parallel caps with values of 10 µF and 0.1 µF should be placed close to pin 23 (PFBOUT) of the device. Pin 18 (PFBIN1), pin 37 (PFBIN2), pin 23 (PFBIN3) and pin 54 (PFBIN4) must be connected to pin 31 (PFBOUT), each pin requires a small capacitor (0.1 µF). See Figure 6-4 below for proper connections. |
|
链接网址 |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 数据表链接 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
Chinese ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
